Playing around to figure out an API

pic2shop_grabber.py

#
# script for getting data from pic2shop.com
# Nick Loadholtes <nick@ironboundsoftware.com>
#
# Nov 26, 2012
#
import csv
import sys
import random
import time
import urllib2

def main(listing):
    output = []
    with open(listing, 'r') as csvfile:
        rows = csv.DictReader(csvfile)
        for row in rows:
            output.append(row['ISBN13'])
    return output

URL = """http://http://www.pic2shop.com/item/%s_0"""
PATH = """output/%s.html"""

def getListing(isbn):
    url = URL % isbn
    req = urllib2.Request(url)
    try:
        response = urllib2.urlopen(req)
        data = response.read()
        fullpath = PATH % isbn
        f = open(fullpath, 'w')
        f.write(data)
        f.close()
    except:
        print("Failed to get %s" % url)

if __name__ == '__main__':
    if len(sys.argv) < 2:
        print("Need a csv file to scan")
        exit(-1)

    print(len(sys.argv))
    books = main(sys.argv[1])
    for isbn in books:
        getListing(isbn)
        time.sleep(random.random() + 2)